492 CONTRIBUTIONS FKOM THE NATIONAL HERBARIUM. 



3. ANAGALLIS L. Pimpernel. 



Slender branched leafy-stemmed annual with entire, mostly opposite leaves and 

 small, axillary, scarlet to white flowers on slender peduncles 1 to 2 cm. long. 



1. Anagallis arvensis L. Sp. PI. 148. 1753. 

 Type locality: " Habitat in Europae arvis." 

 New Mexico: Kingston {Metcalfe 1339). 

 Widely introduced into North America from Europe. 



4. DODECATHEON I,. Shooting star. 



Showy perennial herbs with short rootstocks, smooth entire leaves forming a rosette, 

 and rose-colored, violet, or white flowers on an umbellate scape; calyx 5-merous, narrow, 

 the lobes reflexed in flower, longer than the tube ; corolla tube short, the lobes reflexed ; 

 stamens 5, exserted; anthers large, the filaments short or obsolete, stout, united at the 

 base; ovary free; capsule partially 5-valved. 



key to the species. 



Anthers on conspicuous filaments; petals rose-colored J . D. radicatum. 



Anthers sessile; petals white 2. D. ellisiae. 



1. Dodecatheon radicatum Greene, Erythea 3: 37. 1895. 



Type locality: Near Santa Fe, New Mexico. Type collected by Fendler (no. 549) 

 Range: Wyoming and South Dakota to Kansas and New Mexico. 

 New Mexico: Chama; Santa Fe and Las Vegas mountains; White Mountains. In 

 wet meadows, from the Transition to the Arctic-Alpine Zone. 



2. Dodecatheon ellisiae Standley, Proc. Biol. Soc. Washington 26: 195. 1913. 

 Type locality: Capulin Canyon, Sandia Mountains. 



New Mexico: Type collected by Miss Charlotte C. Ellis (no. 330). 

 Range: Known only from type locality. 



5. PRIMULA L. Primrose. 



Perennial scapose herbs; leaves radical, forming a thick tuft, mostly glabrous; 

 flowers in umbels surmounting the usually stout scapes (these sometimes only 1 or 

 2-flowered); calyx oblong to campanulate, farinaceous, accrescent and persistently 

 surrounding the fruit; corolla narrowly funnelform or salverform, the tube longer 

 than the calyx, the limb of various shades of pink and rose purple or lilac purple; 

 stamens 5, distinct, epipetalous; capsules 5-valved at the summit, many-seeded. 



KEY TO THE SPECIES. 



Scapes with 1 or 2 flowers; plants 5 cm. high or less 1. P. angusti/olia. 



Scapes with 3 to many flowers; plants 10 cm. high or more. 



Plants 25 to 40 cm. high, stout; leaves 3 to 5 cm. wide, usually 



entire 2. P. parri/i. 



Plants less than 25 cm. high, slender; leaves less than 2 cm. 

 wide, evidently denticulate. 



Scapes about equaling the leaves; calyx 7 mm. high 3. P. ellisiae. 



Scapes twice as long as the leaves; calyx 4 to 5 mm. high. . 4. P.rusbyi. 



1. Primula angustifolia Torr. Ann. Lye. N. Y. 1: 34. pi. 3. 1824. 

 Primula angustifolia helenae Pollard & Cockerell, Proc. Biol. Soc. Washington 15: 



179. 1902. 

 Type locality: James Peak, Colorado. 

 Range: Colorado and northern New Mexico. 



